
class ML_DEPS : public Stream 
{
    public:
    ML_DEPS(){
    }
    int read(){
        return -1;
    }
    int available(){
        return 0;
    }
    int peek(){
        return -1;
    }
    size_t write(uint8_t w){
        return 0;
    }
    void flush(){
        
    }
};